// Copyright tang.  All rights reserved.
// https://gitee.com/inrgihc/dbswitch
//
// Use of this source code is governed by a BSD-style license
//
// Author: tang (inrgihc@126.com)
// Date : 2020/1/2
// Location: beijing , china
/////////////////////////////////////////////////////////////
package com.gitee.dbswitch.data.config;

import org.springframework.beans.factory.config.YamlPropertiesFactoryBean;
import org.springframework.core.env.PropertiesPropertySource;
import org.springframework.core.env.PropertySource;
import org.springframework.core.io.support.DefaultPropertySourceFactory;
import org.springframework.core.io.support.EncodedResource;
import java.io.IOException;
import java.util.Properties;

/**
 * 同时支持.properties和.yaml两种配置类型
 *
 * @author tang
 */
public class DbswitchPropertySourceFactory extends DefaultPropertySourceFactory {

    private static final String suffixYml = ".yml";
    private static final String suffixYaml = ".yaml";

    @Override
    public PropertySource<?> createPropertySource(String name, EncodedResource resource) throws IOException {
        String sourceName = name != null ? name : resource.getResource().getFilename();
        if (!resource.getResource().exists()) {
            return new PropertiesPropertySource(sourceName, new Properties());
        } else if (sourceName.endsWith(suffixYml) || sourceName.endsWith(suffixYaml)) {
            YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
            factory.setResources(resource.getResource());
            factory.afterPropertiesSet();
            return new PropertiesPropertySource(sourceName, factory.getObject());
        } else {
            return super.createPropertySource(name, resource);
        }
    }

}
